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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script src="./axios.js"></script>
    <script>
  
      axios.defaults.baseURL = 'http://www.itcbc.com:3006'
  
      // axios这个函数，和自己封装的函数 差不多。调用 axios 函数，会得到 Promise对象
      let p1 = axios.get('/api/province')
      let p2 = axios.get('/api/city', { params: { pname: '河北省' } })
      let p3 = axios.get('/api/county', { params: { pname: '河北省', cname: '承德市' } })
Promise.race([p1,p2,p3]).then(result=>{
    console.log(result)
})


</script>
      </body>
</html>
